<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Document</title>
</head>
<body>
	<script>
		console.log(1 + 10);
		console.log(1 + 10 + 8);
		console.log(1 + 10 +  9 + 100);
		function getSum(lists) {
			// 遍历求和
		}
		lists([10,20,30,40,50])
		getSum([10])
		getSum([1,3])
		getSum([1,3])


		// token 是服务端返回给客户端的身份令牌， 随机的字符串，区分当前用户的标识
	</script>
</body>
</html>